1274790431 has 2 divisors, whose sum is σ = 1274790432. Its totient is φ = 1274790430.

The previous prime is 1274790379. The next prime is 1274790437. The reversal of 1274790431 is 1340974721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1274790431 - 2⁶ = 1274790367 is a prime.

It is a super-2 number, since 2×1274790431² = 3250181285938331522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1274790437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637395215 + 637395216.

It is an arithmetic number, because the mean of its divisors is an integer number (637395216).

Almost surely, 2^1274790431 is an apocalyptic number.

1274790431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274790431 is an equidigital number, since it uses as much as digits as its factorization.

1274790431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1274790431 is about 35704.2074691485. The cubic root of 1274790431 is about 1084.2920285338.

The spelling of 1274790431 in words is "one billion, two hundred seventy-four million, seven hundred ninety thousand, four hundred thirty-one".